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https://github.com/libretro/scummvm.git
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105 lines
2.2 KiB
C++
105 lines
2.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef AGS_ENGINE_UTIL_THREAD_PTHREAD_H
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#define AGS_ENGINE_UTIL_THREAD_PTHREAD_H
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#include <pthread.h>
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namespace AGS3 {
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namespace AGS {
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namespace Engine {
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class PThreadThread : public BaseThread {
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public:
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PThreadThread() {
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_thread = 0;
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_entry = NULL;
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_running = false;
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_looping = false;
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}
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~PThreadThread() {
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Stop();
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}
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inline bool Create(AGSThreadEntry entryPoint, bool looping) {
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_looping = looping;
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_entry = entryPoint;
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// Thread creation is delayed till the thread is started
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return true;
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}
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inline bool Start() {
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if (!_running) {
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_running = (pthread_create(&_thread, NULL, _thread_start, this) == 0);
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return _running;
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} else {
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return false;
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}
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}
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bool Stop() {
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if (_running) {
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if (_looping) {
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_looping = false;
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}
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pthread_join(_thread, NULL);
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_running = false;
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return true;
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} else {
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return false;
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}
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}
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private:
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pthread_t _thread;
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bool _running;
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bool _looping;
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AGSThreadEntry _entry;
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static void *_thread_start(void *arg) {
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AGSThreadEntry entry = ((PThreadThread *)arg)->_entry;
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bool *looping = &((PThreadThread *)arg)->_looping;
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do {
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entry();
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} while (*looping);
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return NULL;
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}
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};
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typedef PThreadThread Thread;
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} // namespace Engine
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} // namespace AGS
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} // namespace AGS3
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#endif
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